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+/****************************************************************************
+**
+** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/
+**
+** This file is part of the examples of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:BSD$
+** You may use this file under the terms of the BSD license as follows:
+**
+** "Redistribution and use in source and binary forms, with or without
+** modification, are permitted provided that the following conditions are
+** met:
+** * Redistributions of source code must retain the above copyright
+** notice, this list of conditions and the following disclaimer.
+** * Redistributions in binary form must reproduce the above copyright
+** notice, this list of conditions and the following disclaimer in
+** the documentation and/or other materials provided with the
+** distribution.
+** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
+** the names of its contributors may be used to endorse or promote
+** products derived from this software without specific prior written
+** permission.
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick 2.0
+
+Rectangle {
+ id: page
+ width: 320; height: 480;
+ color: "Black"
+
+ // Make a ball to bounce
+ Rectangle {
+ id: ball
+
+ // Add a property for the target y coordinate
+ property variant direction : "right"
+
+ x: 20; width: 20; height: 20; z: 1
+ color: "Lime"
+
+ // Move the ball to the right and back to the left repeatedly
+ SequentialAnimation on x {
+ loops: Animation.Infinite
+ NumberAnimation { to: page.width - 40; duration: 2000 }
+ PropertyAction { target: ball; property: "direction"; value: "left" }
+ NumberAnimation { to: 20; duration: 2000 }
+ PropertyAction { target: ball; property: "direction"; value: "right" }
+ }
+
+ // Make y move with a velocity of 200
+ Behavior on y { SpringAnimation{ velocity: 200; }
+ }
+
+ Component.onCompleted: y = page.height-10; // start the ball motion
+
+ // Detect the ball hitting the top or bottom of the view and bounce it
+ onYChanged: {
+ if (y <= 0) {
+ y = page.height - 20;
+ } else if (y >= page.height - 20) {
+ y = 0;
+ }
+ }
+ }
+
+ // Place bats to the left and right of the view, following the y
+ // coordinates of the ball.
+ Rectangle {
+ id: leftBat
+ color: "Lime"
+ x: 2; width: 20; height: 90
+ y: ball.direction == 'left' ? ball.y - 45 : page.height/2 -45;
+ Behavior on y { SpringAnimation{ velocity: 300 } }
+ }
+ Rectangle {
+ id: rightBat
+ color: "Lime"
+ x: page.width - 22; width: 20; height: 90
+ y: ball.direction == 'right' ? ball.y - 45 : page.height/2 -45;
+ Behavior on y { SpringAnimation{ velocity: 300 } }
+ }
+
+ // The rest, to make it look realistic, if neither ever scores...
+ Rectangle { color: "Lime"; x: page.width/2-80; y: 0; width: 40; height: 60 }
+ Rectangle { color: "Black"; x: page.width/2-70; y: 10; width: 20; height: 40 }
+ Rectangle { color: "Lime"; x: page.width/2+40; y: 0; width: 40; height: 60 }
+ Rectangle { color: "Black"; x: page.width/2+50; y: 10; width: 20; height: 40 }
+ Repeater {
+ model: page.height / 20
+ Rectangle { color: "Lime"; x: page.width/2-5; y: index * 20; width: 10; height: 10 }
+ }
+}